Game breaking campaign glitch help

I’m trying to beat the game in legendary so I can chiefs armor. I got to the level reclaimer but now whenever I get to the part where the lich is, it doesn’t lower it’s gravity lift. I spent at least an hour trying to revert and restart and tying again and it’s still glitched. Does anyone know how to fix this?


It should be floating next to a rock you can jetpack on to and then from there jetpack into the lich

Try going to the top of the hill where the lich is and get a checkpoint. Then just try and take out everything that comes out like the wraith and ghosts. It took me a while as well before the damn gravity lift finally shot down.